diff --git a/Cargo.lock b/Cargo.lock
index 04eccb6..e97d15b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "addr2line"
 version = "0.15.2"
@@ -233,15 +235,6 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
-[[package]]
-name = "crossbeam-channel"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8ec7fcd21571dc78f96cc96243cab8d8f035247c3efd16c687be154c3fa9efa"
-dependencies = [
- "crossbeam-utils 0.6.6",
-]
-
 [[package]]
 name = "crossbeam-channel"
 version = "0.5.1"
@@ -313,16 +306,6 @@ dependencies = [
  "maybe-uninit",
 ]
 
-[[package]]
-name = "crossbeam-utils"
-version = "0.6.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04973fa96e96579258a5091af6003abde64af786b860f18622b82e026cca60e6"
-dependencies = [
- "cfg-if 0.1.10",
- "lazy_static",
-]
-
 [[package]]
 name = "crossbeam-utils"
 version = "0.7.2"
@@ -1060,7 +1043,7 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff5751d87f7c00ae6403eb1fcbba229b9c76c9a30de8c1cf87182177b168cea2"
 dependencies = [
- "crossbeam-channel 0.5.1",
+ "crossbeam-channel",
  "libc",
  "time",
  "winapi 0.3.9",
@@ -1249,7 +1232,7 @@ version = "1.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d78120e2c850279833f1dd3582f730c4ab53ed95aeaaaa862a2a5c71b1656d8e"
 dependencies = [
- "crossbeam-channel 0.5.1",
+ "crossbeam-channel",
  "crossbeam-deque 0.8.0",
  "crossbeam-utils 0.8.5",
  "lazy_static",
@@ -1390,7 +1373,7 @@ dependencies = [
  "cfg-if 0.1.10",
  "clap",
  "core_affinity",
- "crossbeam-channel 0.3.9",
+ "crossbeam-channel",
  "filetime",
  "futures",
  "hex",
diff --git a/Cargo.toml b/Cargo.toml
index 008b5b1..aa19740 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ opencl = ["ocl-core"]
 cfg-if = "0.1"
 clap = "~2.30"
 core_affinity = "0.5.9"
-crossbeam-channel = "0.3"
+crossbeam-channel = "0.5"
 filetime = "0.2"
 futures = "0.1"
 hex = "0.3"